Mott MacDonald Bentley | MMB
Senior Process Engineer - @One Alliance

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Senior Process Engineer - @One Alliance
Senior Process Engineer – Anglian Water @One Alliance
As part of Anglian Water’s @One Alliance, we are on a mission to create a sustainable and resilient water infrastructure future. With a £2.3 billion investment in AMP8, we are revolutionising sustainability, digital transformation, and infrastructure to protect the environment and support growing communities.
About the Role
We are recruiting for a Senior Process Engineer to join our innovative team.
You will provide engineering technical direction in designing water treatment and supply schemes, ensuring designs comply with legislation and current standards while supporting collaborative, multi-disciplinary teams to deliver best-value solutions that meet regulatory requirements, timelines, and quality benchmarks.
The Senior Process Engineer will play a key mentoring role, coaching junior engineers and reviewing process design outputs to quality-assure adherence to methodologies. Advanced sustainability, low-carbon design principles, and harnessing new digital technologies will be critical components of your work.
Responsibilities
Key responsibilities include, but are not limited to:
- Collaborating with Principal Engineer, Portfolio Design Manager, and Project Design Managers to review project plans and design milestones.
- Coaching and mentoring less experienced process engineers to develop their skills and ensure knowledge transfer.
- Ensuring designs align with sustainability goals, including low-carbon principles and natural capital management.
- Compliance verification—checking designs adhere to standards, regulations, and Anglian Water’s technical guidelines.
- Micro-checking technical deliverables:
- Piping and Instrumentation Diagrams (P&IDs) and 3D models for technical accuracy, safety, and quality.
- Mass balance, process sizing, and hydraulic calculations for correctness and appropriate engineering detail.
- Process documentation, including Basis of Design, Process Flow Diagrams, Control Philosophies, and Commissioning Strategies.
- Identifying and registering design alerts to promote lessons learned across the @One alliance.
- Leveraging technical expertise to contribute effectively to franchise procurement exercises.
- Supporting technical presentations on lessons learned and innovation within design best practices.
- Embracing digital innovation to enhance 3D modelling efficiency and clarity.
- Maintaining portfolio-wide technical awareness and sharing insights across the team.
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Requirements
- Degree in Engineering or equivalent qualification, or demonstrable degree-level competence.
- Prefer, but not essential: chartered or aspiring chartered status (e.g., IWEM, ICE, Chartered Engineer).
- Significant experience in design and capital project execution within the water-sector.
- Expertise in compliance standards, sustainability, and process systems engineering, with a focus on high-quality deliverables and offshore collaboration.
- Advanced technical writing and stakeholder communication skills.
- Commitment to innovation and embracing digital technologies to enhance workflows.
Benefits
At Mott MacDonald Bentley, you’ll enjoy:
✅ Competitive salary, aligned with experience. ✅ Pension scheme with employer contribution (up to 7%). ✅ Flexibility in annual leave, including carry-over options. ✅ Life assurance, private medical insurance, critical illness cover, and health screenings. ✅ Inclusive parental leave policies (26 weeks maternity, enhanced paternity/adoption/shared parental leave). ✅ Professional institution fees covered. ✅ Access to discounts on UK-wide gym memberships, season ticket loans, and dining facilities. ✅ Cycle-to-work scheme.


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About Mott MacDonald
We are a global consultancy empowering extraordinary progress through sustainable engineering and innovation. Our commitment to social outcomes and cutting-edge digital solutions nurtures responsible growth within communities and businesses alike.
Our Core Values
Progress, respect, integrity, drive, excellence—guiding us to deliver exceptional results while upholding equality and well-being for everyone in our teams.
Mott MacDonald Bentley bridges Mott MacDonald’s design expertise with JN Bentley’s on-site delivery, offering trust as your fully integrated partner in building robust, long-lasting water infrastructure.
Diversity, Equity & Inclusion
With open arms for underrepresented voices, we actively champion workplace diversity and inclusivity. We encourage all applicants, regardless of background. Adjustments to application processes can be discussed—contact alternatives available in the job details.
Work Isn’t Submit-and-Forget
We thrive on collaboration, agility, and ongoing development. This permanent role is based in Peterborough and operates on a full-time basis, blending in-office and remote flexibility.
Apply now to redefine capability in our resilient, dynamic future—starting at Mott MacDonald Bentley.
Job Ref: 7638
For queries: Contact: Anna Hickford Email: anna.hickford@jnbentley.co.uk
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